All cooling towers use a combination of heat and mass transfer to cool process water. Use this special editorial collection of cooling towers to arm yourself with tower knowledge and help you protect your process equipment.

Cover image courtesy of SPX Cooling Technologies

Cooling Tower Systems

Company provides complete cooling tower engineering, design, and construction services for wood, fiberglass, steel or concrete towers. Users can customize the cooling towers to fit the facility needs or requirements. Tower designs include crossflow and counterflow designs, pultruded fiberglass structures, and double-wall construction. The company also offers a range of replacement parts and accessories for pumps, heat exchangers, sand filters and separators. With in-house sheet metal fabrication capabilities, the company can manufacture steel panels and components for galvanized or stainless steel towers.

American Cooling Tower, (800) 371-5959,

Fiberglass Cooling Tower Parts

Fiberglass-reinforced plastic provides a strong and durable material for process cooling equipment and accessories. The company uses a special process to make its fiberglass-reinforced plastic, which is suited for a range of industries and applications including cooling towers, corrosion-resistant equipment, corrosive environments, electrical and electronics, marine environments and water/wastewater treatment. Custom and standard shapes are possible.

Bedford Reinforced Plastics Inc., (814) 623-8125,

Fiberglass Field-Erected Crossflow Cooling Towers

For applications where extended equipment life is required, the Pegasus provides corrosion protection, superior structure, strength and optimized thermal performance. The patented fiberglass-reinforced polyester (FRP) structure is engineered to minimize structural air restriction. The field-erected, crossflow cooling tower has a five-year warranty on the mechanical equipment, FRP structure, equipment support and fill.

Composite Cooling Solutions, (817) 246-8700,

Induced-Draft, Counterflow Tower

Paragon is offered in single modules in sizes from 55 to 250 tons. Standard features include seamless engineered plastic (HDPE) shell; corrosion-proof construction; direct-drive fan system; totally enclosed VFD-rated motors; low pressure drop self-propelled PVC water distribution system; and high efficiency PVC fill. The counterflow tower is factory assembled for simple installation and has a 15-year shell warranty.

Delta Cooling Towers Inc., (800) 289-3358,

Evaporative Cooling Tower Systems

Evaporative systems provide cooling below dry bulb ambient temperature. The systems cool by evaporating a small portion (approximately 1.5 percent of flow) of recirculating water. They maintain temperature to within 3°F of wet bulb ambient. According to the company, they save approximately 97 percent of water compared to tap water systems. Features include a stainless steel indoor sump for freeze protection; stainless steel or fiberglass cooling tower construction; high temperature fill; backup pumps; isolated plant water systems via heat exchanger or closed circuit evaporative tower; filtration; and cooling tower stands.

Dry Coolers Inc., (248) 969-3400,

Custom Cooling Towers

Cooling towers are designed and engineered to suit customer’s operating conditions and environmental requirements. Materials of construction include pultruded FRP, timber, standard FRP and RCC. Each tower is built to suit the client’s operating conditions. Infill is made out of PVC, PP, timber and other materials.

Paharpur Cooling Towers Ltd., [91] 33 2479 2050,

Fiberglass Cooling Tower

The UniTower Series HRFG is the result of more than 30 years of collaborative engineering. The all-fiberglass, unitized tower is factory assembled with the basin and body in one molded piece. It is offered in 16 basic cell sizes and 42 standard models to satisfy a range of water cooling requirements. Its performance has been certified by CTI under certification number 00-22-02, according to its STD-201-96. Cooling tower design features include a leakproof, one-piece casing; non-clogging, large-orifice nozzles; efficient counterflow design; integrated inlet louver system; and smooth exterior surface.

Reymsa Cooling Towers, (972) 853-8812 or (908) 548-0703,

Steel Cooling Tower

Factory assembled or field erected, Marley NC Class are designed for low sound levels using high efficiency fans and low splash noise heat transfer media. Other features include CTI certification for guaranteed thermal performance; FM approval; ASHRAE 90.1 compliance rating for energy efficiency; and wind load modifications to meet the strict Florida Building Code. Rugged galvanized steel is standard with a choice of stainless steel upgrades to part or the entire tower structure. Integral louvers are also standard for zero water splashout and superior winter operation.

SPX Cooling Technologies, (800) 462-7539,

Cooling Tower Filter

Cottonwood-pollen screening system keeps cooling towers free of airborne debris such as bugs, paper, birds, cottonwood and pollen. Made of fiberglass and coated with polypropylene, the filtering system can be cleaned with a broom or a shop vacuum.

Air Solution Co., (513) 860-9784,

Equipment, Parts, Service and Maintenance
Among the cooling tower services offered by the company are preventive maintenance and cooling tower inspections, emergency repairs, cooling tower rentals, structural repairs and replacements, basin pumping, hydroblasting and thermal upgrades. Qualified inspectors perform a thorough inspection before submitting a report and cost estimate, bringing your attention to any cooling tower problem before it interrupts the operation of your facility.
Advance Cooling Towers, (432) 523-3578 or(214) 745-1940

Nonferrous Cooling Tower Cells
Offered in a range of capacities from 45 to 540 tons, Power Tower Series cooling tower cells provide cooling water 95°F to 85°F (at 78°F wet bulb). They are manufactured of nonferrous materials to provide high performance and long service life. Made of a high strength, custom-designed fiberglass shell, the towers are supplied with a structural steel base and are ready for rooftop or elevated-stand mounting. The honey-comb channeled, stacked wet deck ensures maximum heat transfer, and the TEFC motor and fan assembly employ a direct-drive design to minimize service requirements.
Advantage Engineering, (317) 887-0729

Temporary Cooling Towers
Utilizing temporary cooling towers allows a plant to continue running at 100 percent capacity while routine or emergency maintenance needs are met. The modular cooling towers can be installed and fully functional within a short time frame. The company also offers a full service option for power requirements, including generators, transformers, electrical distribution, cable and other accessories.
Aggreko, (877) 603-6021

Crossflow Cooling Tower
Model LRC-H offers lighter operational weights and reduces space requirements. The crossflow cooling tower employs a multicell design to accommodate seasonal cooling needs. Future expansion is achievable by adapting the existing towers.
Amcot Cooling Tower Corp., (800) 444-8693

Cooling Towers
FRP cooling towers are energy efficient and simple to maintain and service. Other features include light weight, durability, compact size and installation ease. Evaporative cooling allows a small portion of the water being cooled to evaporate into a moving airstream to provide significant cooling to the rest of the water stream. Towers range in size from 5 to 1,000 tons. Chillers are available in vertical, horizontal and split configurations.
American Chillers and Cooling Tower Systems, (706) 736-5101

Closed-Circuit Cooling Towers
Induced-draft FXV product line includes single air inlet cells and larger, higher capacity dual air inlet models. Standard design features satisfy environmental concerns, minimize installation costs, maximize year-round operating reliability and simplify maintenance requirements. Thermal performances of all are independently certified by the Cooling Technology Institute (CTI), eliminating the need for onsite field tests. The company’s Combined Flow Technology employs a combination of coil and wet-deck heat transfer surfaces to increase performance. They are designed to ease access for maintenance and offer low sound levels and low operating weights.
Baltimore Aircoil Co., (410) 799-6200

Fiberglass Cooling Towers
Line of single- and dual-cell cooling towers is made of extra-thick fiberglass to provide a long service life. Fiberglass-reinforced polyester casings and water basins have UV-inhibitor in the gel coat to eliminate fiberglass deterioration and pigment fading. Tower is supplied assembled on a structural steel integral base. Pipe connections are welded in place for easier installation and hookup. Additional features include PVC fill; standard NEMA-frame TEFC motors with no belts or gear reducers; low speed propeller fans; stainless steel internal framing and hardware; one-piece water distributor with no moving parts and nonclogging design; PVC drift eliminators; and nonferrous inlet baffles.
Berg Chilling Systems, (416) 755-2221

Vertical Flow Cooling Towers
Series ICE CT-RF (round, counterflow) and CT-SF (square, crossflow) Series are designed to consistently produce chilled water for all processes that require 85°F (29°C) fluid temperature. The cooling towers are light, compact and offer a long service life under severe conditions. Its fiberglass mat laminated from unsaturated polyester resin construction is covered with a gel coat to form a smooth surface. Tower’s internal construction is made from a rigid PVC sheet that is embossed and corrugated in a honeycomb configuration for high thermal efficiency.
Budzar Industries Inc., (440) 918-0505

Fiberglass Cooling Tower
Suited for use in plastics and other process applications, cooling tower is constructed of fiberglass to ensure tower durability. The lighter weight of a fiberglass tower also enables a smaller, more energy-efficient fan motor to be used, providing cost savings. All units are designed, engineered and tested in the company’s research and development laboratory.
Cooling Tower Systems Inc., (800) 752-1905

Induced-Draft Cooling Tower
Ultra SST is a type 316/304 stainless steel, induced -draft counterflow design with a CTI-certified capacity range of 109 to 4,075 nominal tons (479 to 17916 kW). Standard construction consists of type 316 stainless steel basin and type 304 stainless steel upper casing and fan sector panels and fan deck.
Evapco, (410) 756-2600

Evaporative Towers
Line includes several types of cooling towers from economical fiberglass models, to crossflow, counterflow and forced draft technologies to meet individual conditions. Tower systems are available for closed-loop and free-cooling options and can be equipped with side-stream filtration, heat-traced insulation, elevating structures and other thermal and mechanical requirements. Applications include chiller condenser cooling, plant-wide heat exchanger cooling, compressor and reactor jackets, free-cooling chiller bypass systems, die-cast mold cooling and other industrial process needs.
Freeze Co, (800) 339-8982

Evaporative Cooling
Evaporative cooling towers are offered in a range of sizes. The EC series is sized from 22 to 120 tons and has standard features such as 360° air intake to eliminate positioning problems, and a self-rotating sprinkler system with non-clog openings. The ECXL series is offered in 100 to 240 ton models. Standard features include a premium TEAO direct-drive fan motor and nonferrous construction.
H2O Engineered Water Systems, (800) 315-6525

Counterflow Cooling Tower
FPT Series utilizes the Composolite modular system, a fiberglass-panel technology that provides users with a strong, fire-retardant pultruded fiberglass tower with a UV-protected, nonskid coating. Factory-assembled components and subassemblies provide fast, consistent and safe construction as well as low maintenance. The counterflow tower includes a pultruded fiberglass deck with nonskid coating.
Midwest Towers Inc., (405) 224-4622

Rental Cooling Towers
Portable rental cooling towers range in size from 100 to 2,000 tons. The cooling towers provide emergency or temporary cooling to a cross section of customers for extra capacity during a heat wave or coverage during a permanent tower changeout. Features of the rental towers include corrosion resistance, ease of installation, durable construction and stainless-steel basins.
NuTemp, (800) 323-3977

Crossflow Cooling Tower
Tower a small footprint that makes it suitable for applications with limited space or for areas where basins are expensive to install. The tower uses a combination of film and splash fills. The heavy concentration of water flow in the crossflow direction helps keep fill free of debris and scale. The distribution system is accessible while the tower is running to ease maintenance.
Phelps Engineering Co., (949) 661-4941

CTI Certified, Crossflow Cooling Towers
FWS Series cooling towers are factory- or field-assembled crossflow cooling towers designed for industrial loads. The range of cooling towers offered includes single-, double- and multi-cell configurations. The heavy-duty cooling tower designed of non-corrosive materials is energy efficient, and its crossflow design offers ease of maintenance. All major components (motors, axial fans, fan drive assembly and fill/media) have been developed to ensure maximum efficiency with low energy consumption. The tower’s small footprint provides space savings, ensuring the cooling tower meets the limited space requirements of new construction projects as well as the strict space requirements of replacement projects.
Protec Cooling Towers, (305) 594-3684

Cooling Tower Systems
Systems available include cooling tower systems, pump decks and tower cells. The complete cooling tower systems include pump tanks. Other products include central and portable air- and water-cooled chillers, hot oil units, and water-circulating temperature control systems.
QPC Systems Inc., (616) 394-6988

Crossflow Cooling Tower
Corrosion-resistant, galvanized steel cooling towers are offered in 5- to 125-ton capacities. Designed to ease maintenance and provide maximum efficiency, the tower’s PVC nozzles ensure that water entering the tower is distributed uniformly over thermoplastic media material. Field-erectable, the tower has a structural steel base ready for rooftop, elevated or ground-level installations. Its small footprint makes it suitable for applications with limited space.
Tecumseh Cool Products, (517) 456-1300

Fiberglass Cooling Towers
Features of the FC Series include fiberglass construction of the tower casing and basin, reinforced fiberglass internal structural supports, 304 stainless steel fan support and fasteners, and PVC fill, drift eliminators, louvers and water distribution system. The leakproof, one-piece basin has molded, recessed bolt pockets for mounting on two I-beams. The integral inlet louver system prevents splash and windage loss and eases access to the basin. The TEAO direct-drive fan motor has double-sealed, permanently lubricated motor bearings to eliminate motor maintenance.
Thermal Care Inc., (888) 828-7387

Custom and Modular Counterflow Cooling Towers
Custom and modular cooling towers are designed to complement the architecture of the building it serves, thereby creating a blended balance of aesthetics and function. Design features of all towers include permanently aligned mechanical equipment design, high-quality materials of construction, accessibility for inspection and maintenance, and thermal reliability. Counterflow designs incorporating ceramic tile fill, PVC film or splash fills can be installed in permanent precast concrete or fiberglass design structure housings.
Tower Engineering Inc., (800) 759-6600

Modular Cooling Tower
TTXE Series is a counterflow, mechanical-draft cooling tower designed to reduce installation time and costs, operating costs and tower maintenance. Individual cooling tower modules are available in sizes ranging from 155 to 882 tons, with modular “plug and play” interconnectivity that allows up to 100,000 cooling tons, or 300,000 gal/min, per installation. The factory-assembled towers are designed for power and process cooling applications.
Tower Tech Inc., (405) 290-7788

Fiberglass Cooling Towers
Dura-Lite is designed for a long service life with minimal maintenance. The fiberglass tower is built to eliminate leaks, provide good UV protection and withstand seismic and hurricane winds. Its exterior can be custom-colored to match any surrounding. Interior components can be tailored to meet abrasive water chemistries or water that may foul other towers. Unit is lightweight and can be hoisted in one piece to the top of roofs or field-assembled where hoisting is not practical.
U.S. Cooling, (800) 272-5481

Fiberglass Cooling Tower
Fiberglass cooling tower is designed to withstand harsh weather conditions, and the heavy-duty model is designed to help eliminate the need for gaskets, making them easily field-assembled with the company’s slipfit tri-shell system. The tower can be built in multiple cells to provide redundancy and satisfy large-capacity system demands.
Whaley Products Inc., (940) 569-4116